2013132280

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{125507}}^1$

素因数の和:125919

約数の個数: 32

約数和(自身を含む): 4540879440

約数和(自身を除く): 2527747160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 8020, 16040, 125507, 251014, 502028, 627535, 1004056, 1255070, 2510140, 5020280, 50328307, 100656614, 201313228, 251641535, 402626456, 503283070, 1006566140, 2013132280]

約数ペア:

[(1, 2013132280), (2, 1006566140), (4, 503283070), (5, 402626456), (8, 251641535), (10, 201313228), (20, 100656614), (40, 50328307), (401, 5020280), (802, 2510140), (1604, 1255070), (2005, 1004056), (3208, 627535), (4010, 502028), (8020, 251014), (16040, 125507)]